Amazon.com: Bosch Professional FSN WAN angle guide for guide rail (compatible with all Bosch GKS Professional circular saws, GKS G-models, GKT plunge saws, selected GST jigsaws + GOF routers with adapter) :
BOSCH 7-1/4-Inch Worm Drive Circular Saw CSW41, Blue - Amazon.com
BOSCH GKSRPG Circular Saw Rip Fence - Amazon.com
Superior Electric MZ745 Adjustable Circular Saw Rip Fence and Edge Guide replaces Skil Bosch 13896, 2 610 034 814 - Amazon.com